Machine for making mica plates and the like.



E. L. BLWELL. MACHINE FOR MAKING MIGA PLATES AND THE LIKE.

APPLICATION FILED rm. 1a, 1909.

Patented Sept. 14, 1909.

4 SHEETS-SHEET 1.

E. L. ELWELL.

MACHINE FOR MAKING MIOA PLATES AND THE LIKE.

APPLICATION FILED FEB. 18, 1909:

Patented Sept. 14, 1909.

4 SHEETS-SHEET 2.

O OOOOOOOOOOOCOOOOOOOOO 0000 O 000000000000 OO Q O O O O O U 0 0 O O O O O O O O O oooooooooooocooooooooooo 00000OOOOOO OOOOOQOOOOOOO O OOOOOOOOOOOOOOOOOOOOOOOOOO 1 E. L. ELWELL. MACHINE FOR MAKING MIGA PLATES AND THE LIKE.

APPLIOATION FILED FEB. 18, 1909.

Patented Sept. 14, 1909.

4 BHEETSSHEET 3.

E. L. E'LWELL. MAOHINE FOR MAKING MIGA PLATES AND THE LIKE. APPLICATION FILED IEB. 18, 1909.

v Patented Sept. 14, 1909.

4 SHEETS-SHEET 4.

UNITED: STATES PATENT clarion. scu n.- ssw ns wa n me ess macnma non manna n ce new; 4 1511; can we.

934,057. m mma an-s a ra eatease t. 14,

. I Application filed February 18, 1M9. 'lerla'l )Io. 478,688.

' To all whom it may concem: chain belt. B which communicates motion Be it known that I, Enwm L.. :ELWELL, a from the wheel B'. citizen of the United States, residing in As'the laminae ofmica or other substance Newton, in the county of Middl x and fall from the extension 13' upon the rotating co State of Massachusetts have invented c rhollow cylinder E" they are drawn down to tain new and useful [in movements in Mal fi 011 11 y ind r y r n f l that chines for Making Mica bites and the Like, ar made to fl t g the perforations in of which the following, taken in connection the-outer surface of the said cylinder E, see with the accompanying drawings, is a speci- Figs- 2 n as the cy in r the 65 1o fication. laminae are held upon the surface of the My invention relates to a machine for cylinder by the inflowin currents otairand makm comparatively thick and solid sheets carried downward unti they reach the air or bloc s, by combining, with the aid of cechamber G, Figs. 1 and 4; this air chamber ment, thin irregular laminations of mica or is stationary, being held by the bars (l to 70 5 other substances; and consists in mechanicthestationary pip and n i fl'e ally semrating the laminae from dust and airnot influenced by the partial vacuum other oreign substances and in arranging maintained in the rotating cylinder E. For them in layers upon an inclined bed. the n by convenience of getting-to the interior of the vibrating the said bed to cause the laminae cylinder 11 m n F is mi Y 7 to slide on to a carrier which in tu d A partial vacuum 1smaintainedinthcro- [posits them upon a moving bed where (:etating cylinder E by means of the stationment is applied to them, whereby a firm, ary tube F, this tube is held to the frame.- thick sheet or block is formed, Work of the machine by suitable fastcnings; The Object of this invention is to produce and serves as an arbor for the cylinder 1 80 a m chine that Will'substitute rapid, rtain to rotate upon; air is drawn from the cylinilnd economic mechanical work for the exder E through the tube It and its opening pensive and uncertain manipulations now in I by means of a vacuum blower F of any use. This object I attain by the mechanism up )roved kind, the ,said blower is driven by Shown in t accompanying drawings in .t helt acting on the pulley F see Vigil. 85. 80 Wll 0l1 Motion is given to the cy inder E by the Figural isa side elevation of my machine; 't'ollowing-described mechanism. A shaft 1 g. 2 s n e d elevation of the same; Fig, 3 ll" has upon it two belt pulleys M and N IS a i al longitudinal section taken each of which is loose upon the shaft 13" ex- .through the center, one of the ce ent di cept that either may be made to drive the 90 tributlng cylindrical brushes being shown in shaft B by the clutch 1; that is, when the full; Fig. 4 is a cross vcrticalscction of the clutch is in contact with the pulley the machlnecross belt M will drive the shaft li 'm one I In the drawings B represents an inclined direction, but when the clutch 1 is In cono bed or flat inclined hopper havinga foramim nection with the pulley N then the direct belt. 95

40 one bottom and an extension B which serves N will 'drive'the shaft B? in the other directo carry the laminae forward to a point about tion. The clutch P is operated by a rod 1 over the carrier cylinder E Links B are and is operated by a system of le rs and a connected to the cross shaft B, see Figs. 1 lug or projection P (Fig. 2) onthe forth and 2, and this cross shaft B is operated by and back 'inoving table (1* in the same man- 100 a crank pin B on Wheels B which are nor that the bed of an ordinary nmchincdriven by chain belts B and sprockets B on sho planer is operated and need not bcmore the shaftFB". The shaft B is connected to fully described. A chain belt 1) (Fig. 2) the hop er and gives a forth and back motransmits motion from the sprocket wheel D tion to t e said be per which forth and back on the shaft 13" to the wheel D on the shaft 1 5 motion serves a cable purpose, namel it D", a gearwheel D on the said shat-t D enhas a sifting motion which causes all 0 the gages with the ear E connected to one of dustan'd other objectionable substances to the end pieces 0 the drum E? which causes fall through the openings and to lodge in the it to rotate. The shaft D is mounted upon chute and to be conveyed by it away from a'swinging bent lever D, D which is piv- 110 the machine into a convenient rece tacle; oted upon a pivot D. This bent lever l)",

'Thesaid sprocket wheel-B is rotated y the D is operatedby switch devices S, S---S'-,

. a j S on the moving bed late C, Fi s. 1 and 2, the opposite direction, then he switch de which will be hereina ter describe vice S S would act to stop the cylinder.

The\bed plate moves forth and back The operation of 'my machine is as fol and is a table upon which the laminae fall as lows: The thin sheet ofmica o1v other lami they are released from the cylinder E2 when. nated substance is placed upon the flat, in- '70 they arrive at the free air chamber G. The clined, foraminous hopper B from which the table 0 is operated by a spur gear C on the action of the said hopper causes the laminae shaft B? this spur gear C engages with the to slide downward (allowing the dust,'dirt,

vspur ear C on the shaft- C see Figs. 2 and etc., tofall into the chute .V) to the ex;

4,1111 as the said spur gear Q engages with tension part B which is not perforated; the rack C on the table C"; 1t gives motlon from B the laminae fall on to and rest upon to-the said table, that is, it causes it to move the vacuum cylinder E where they are held as has been explained.

forth and back in harmony with the direcby the inflowin -alr until the said cylinder tion of the shaft B whose motion is gov-- has rotated to shch an extent to brin the erned by the clutch P and the belts M and N laminzrto the free'air box G, then the lltmi- 8i) nae are released and fall as shown at T, Fig. To cause the laminae to. form a compact 4, upon the moving tableC, and as the said mass that is a'thick plate or block on the table moves, say in the, direction of the artable, C I have devices for spraying an adrow, the mass is carried along under the ceheslve mlxture on to each layer of lamlnae ment tank or trough L and sprinkled with as the table moves back and forth. These. cement by the rotating brush L. This acdevices may be described as follows: Two tion continues until the table has reached the troughs L and K are fixed across and above end of its motion in that direction and as it the table 0 see Fig. ,4; abovethese troughs automatically stops, the sheet or plate of ce I have cylindrical brushes K L mounted. mented laminated mass is'removed by the upon shafts K and L as shown; theseoperator and afterward subjected to any .deshafts K and L have at each of their ends siredhnishing process, such as pressing, dryspur gears K and L and these gears engaging, etc. i

mg with the racks C will be made to rotate What I, elai as y inventio and desir as the table moves back and forth and as the to secure by Letters Patent is:

brushes K and L are mounted upon the 1. In a machine of the class described, the i Shafts d are Connected here o y combination of an inclined hopper formed means of pawls and ratchet wheels R. The with a foraminous bottom and an integral said ratchet wheel and pawls will allow the extension, means for agitating the hopper, a gears to rotate in one direction only, ,withbed, means for receiving the charge from the out causing the brushes to' rotate." Thus it integral extension ofthe hopper and demay be understood that as the table moves positing it upon the bed, and means for supin one direction one of the brushes willroplying an adhesive substance to the char e.

tate and the other stand still. For instance, 2. In a machine of theclass describedflt e if the table 0 is moving in the direction of combination of a hopper formed with an in- 1 5 the arrow, Fig. 4, then the brush L will disclined flat bottom the upper ,portion of tribute, cement on to the laminae, but if the which is foraminous while the lower'portion' vtable is going in the other 'directiom thenw is formed with an integral extension, means 'the brush K will work. The table". Ct'has for receiving the foreign matter falling a length of movement that is; governed by" through the foraminous portion of the botthe location of the stud P precisely as the tom of the hopper and carrying it away I movement of the bed plate of a planer is from the machine, a bed, means for receiving governed. This length-of movement of the the charge from the integral extension of the table governs the length of the plate of lamihopper and depositing it' upon the bed,

. nat-ed matter that is to be produced. T0 means for agitatingthe hopper, and means prevent the carrier cylinder E from deliverfor supplying an adhesive substance to the ing laminae to the table after the said table charge. has arrived at the desiredpoint of its move 3. In a machine of the class described, the

ment, I have the following described device, combination of a vacuum cylinder, means see Fig. l: Attwo points onthe table I have for'deliveri-ng a charge to the vacuum cylin f switch devices S, S and S S Now if we der, a free air chamber within the vacuum suppose that the table is moving in the dicylinder for releasing the charge therefrom,

rectlon of the arrow thenwhen the switch a bed receiving thecharge released-from the S, S arrives at and comes incontact with vacuum cylinder, and means for supplying the lower end D of the bent lever B, D an adhesivesubstance to the charge. 125.

7 then the end will be lifted and this action 4:. In a machine of the class described, the will throw the upper end that carries the combination of a vacuum pipe, 2. vacuum spur gear D, Fig. 2 out of contact with the. cylinder journaled upon the pi e and in gear Ethus causing the cylinder E to cease communication therewith, means or deliver to rotate. If the table Gwere moving in ing'a charge to the vacuum cylinder, a free bed reaches the ing, and

air chamber within the vacuum cylinder for releasing the charge therefrom, a bed receiving the charge released rom the vacuum cylinder,an d means for supplying an adhesive substance to the charge.

5. In a machine of the class described, the combination of a' vacuum pipe, a vacuum cylinder journaled upon the vacuum pipe and in communication therewith, means for delivering a charge to the vacuum cylinder, a free air chamber arranged Within the vacuum cylinder and supported upon the vacuum pipe for releasingvthe charge from the vacuum cylinder, -a bed receiving" the charge r eased from the vacuum. cylinder, and means for supplying. an adhesive substance to the charge.

6. In amachine of the'class described, the combination of a bed, means for bed, a carrier cylinder for feeding the charge to the bed, means for rotating the carrier cylinder, and means for automaticallystopping the carriercylinder when the limit of its movement.

7 In a machine of the class described, the combination of a bed, means for moving the bed, a carrier cylinder for feeding the charge to the bed, gearing for rotating the carrier cylinder, a lever controlling the gearmeans upon the bed for engaging the lever, to throw the gearing out of mesh when the bed reaches the limit of its movement.

8. In a machine of the class described, the

combination of a reciprocating bed, earing clutch for reversing the movement of the bed, means for automatically shifting the clutch when thebed reaches either limit ,0 its movement, means-for continuously supplying a charge to the bed during its movement in either direction, and-means for apsubstance to the char e.

9. In a machine of the class described, t 'e combinationof aireciprocating bed, gearing for moving. the bed in either direction, a clutch for reversing the movement of the bed, means for automatically shifting the clutch when the bed reaches either limit of its movemcnna carrier cylinder for continu-. ously feeding a charge to the during its movmg theeither direction, a

movement in either direction, means for rotating the carrier cylinder, and. means for automatically stopping the carrier cylinder when the bed reaches either limit of its movement.

10. In a machine of the class described, the

combination of a bed, means for moving the 7 bed, means for delivering a charge to the bed, a receptacle over the bed for receiving an adhesive substance, a

ing the adhesive substance .from the rebrush for deliverceptacle to the charge on the bed, and means the brush when the bed moves for operating the brush being inoperative in one direction,

when the bed is moved in the other d1rection.'

11. In a machine of the class described, the combination of a bed, means for reciprocating the bed back and forth, means for delivthe bed, a receptacle over ermg a charge to an adhes1ve substance,

the bed for receiving a shaft mounted to-be driven by the move ment of the bed, a brush having a pawl and ratchetconnection with the shaft and serving to deliver the adhesive substance from the rece tacle to the charge upon the bed,

the sai pawl and ratchet connection between the brush and the shaft causing the brush to remain inoperative when the bed is moving in one direction. 12. In a machine of the class described, the combination of a bed, means for reciprocating the bed back and forth, means for delivering a charge to the bed, a pair of troughs mounted over the bed, a'rotatably mounted brush for each of the troughs, the said brushes serving to the troughs to the charge as it is deposited upon the bed, and means for throwing the bruslfes alternately into operation, one of the brushes bein in operation when the bed is moved in one direction,- while the opposite brush is in o ration when the bed is moved in the other ion. In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

" Enwm L. ELWELL.

deliver the contents of 

